package com.jjiang.bbmall.member.config;

import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;

@Configuration
public class BbmallFeignConfig {

    @Bean("requestInterceptor")
    public RequestInterceptor requestInterceptor() {
        return new RequestInterceptor() {

            @Override
            public void apply(RequestTemplate requestTemplate) {
                // 1. RequestContextHolder拿到刚进来的请求
                ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
                if (requestAttributes != null) {
                    HttpServletRequest request = requestAttributes.getRequest();
                    // 2. 新建请求，同步请求头数据【主要是cookie】
                    requestTemplate.header("Cookie", request.getHeader("Cookie"));
                }
            }
        };
    }
}
